18 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... Hypersensitivity ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... The HRCT shows a ... #Clinical #Radiology ... #CXR #CTChest # ... Chronic #Fibrosis #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... In many cases a HRCT ... #Clinical #Radiology ... #CXR #Sarcoidosis ... #Pattern #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
(left) shows lobular ... A control HRCT ten ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... patterns: reticular, nodular ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
in differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation ... #Patterns #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... distribution: Hypersensitivity ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... Differential #Algorithm #RadiologyAssistant